Reminds me of my experience trying to understand what SAP actually is. For decades I wondered what sort of magic tech must be in there that allowed their softwa

Reminds me of my experience trying to understand what SAP actually is. For decades I wondered what sort of magic tech must be in there that allowed their software to be used by thousands of different businesses. Then someone who knew about SAP told me: "oh, no that's not how it works -- what they do is have a fixed schema and tell the customer that they must adopt it".